PQV80020041 | Valmet | Using rigid pipelines for load-bearing

Description

PQV80020041 | Valmet | Using rigid pipelines for load-bearing

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The dominant technology for mobile backhaul networks in the 2G era is the Synchronous Digital Hierarchy/Multi Service Transport Platform (SDH/MSTP), which is mainly designed for the aggregation and efficient transmission of Time Division Multiplexing (TDM) circuit services. MSTP was originally designed to address the issue of IP services being carried over transport networks. Unfortunately, this improvement is not thorough. Its IPization is mainly reflected in the user interface, but the core is still TDM circuit switching, using rigid pipes to carry packet services. This PQV80020041 makes MSTP suffer from low transmission efficiency, high cost, and poor scalability when carrying grouping services such as IP and Ethernet with variable packet length and burst traffic.

SDH/MSTP, as a meritorious technology in the 2G era, PQV80020041 is gradually no longer suitable for the 3G/LTE stage of mobile communication development and will constrain the future development of mobile services. In this context, the Packet Transport Network (PTN), which integrates packet technology and SDH technology, has emerged.

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